Any germ cell chemotherapy regimen utilizing cisplatin (20mg/m^2 x 5 days). This will usually be combined with bleomycin (BEP), etoposide (EP), ifosfamide (VIP), vinblastine (VeIP), paclitaxel (TIP) or epirubicin. All of these regimens get the identical cisplatin, which is the only highly emetic drug in any of the chemo regimens.